From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [PATCH] xen: sched: avoid races on time values read from NOW() Date: Tue, 24 May 2016 14:12:01 +0200 Message-ID: <1464091921.21930.70.camel@citrix.com> References: <146364370619.5283.5027289751613289080.stgit@Solace.fritz.box> <5744443E02000078000EE323@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2759366363915283113==" Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b5BCF-0006fO-Ps for xen-devel@lists.xenproject.org; Tue, 24 May 2016 12:12:27 +0000 In-Reply-To: <5744443E02000078000EE323@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Wei Liu , xen-devel@lists.xenproject.org, Meng Xu , George Dunlap List-Id: xen-devel@lists.xenproject.org --===============2759366363915283113== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="=-FS9qQ2d9himWCmz4ow31" --=-FS9qQ2d9himWCmz4ow31 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2016-05-24 at 04:08 -0600, Jan Beulich wrote: > While backporting this for 4.6 (which required substantial > adjustment to the sched_rt.c part)=20 > Yep, I figure it did. :-( It sounds like you've pretty much done with it, but if not, and if you want me or Meng to provide the backport, just ask! > I noticed that there's another > of the cases mentioned in the description in rt_vcpu_insert(). The > commit message doesn't mention why this was left unchanged, so > was not fixing this perhaps just an oversight? >=20 It is indeed. I'll send a patch. Sorry, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --=-FS9qQ2d9himWCmz4ow31 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJXREUUAAoJEBZCeImluHPu6JsQALD28SiHH7LnKxEYG9cMGl8T EP7jsD0JQHEBt7BVcViEX2b3qGOLeujvNBblvFCtgtK+S8vcF5RpoxAfWqbWhtTz vwuwy3fNl20l+9XR6iZfFYiO+aS/981xYb9FB88fSkY9AcUMyYbqjF7yUxoTmKFu 0+Iqz9gs+Xz+auaJwKcfWBX1wLQ++AYEbvaII1BIDbiJ1RkGMmIJnTDC+SC6bX7e HKRVjgyQZmKw5uTZ7xcNMp7P9vC02p97NrnW5b3HHyrgxVegZnboEej7cxH3Cwi+ /KCbwqV6P3Th8S9ETHCSzzU7/XUlEgsK7qsbfuPNTcJFl/Utevh3Gj4QgMgUifKi mThpKllRSoqU4AgThj+bk4QcdgqDZaLnVmpcfYZXCxpNsDIPZTzeExJ3V0kUr806 eczegMXWQMCZOkarmSTDfSmYyvi2pfjCYuApza0WT0B8SVDNG4W7k/M8/py3dOPx APYQ0GedBsfi/ll+DKXWgWW6uqgeqKK2f6OO0HOBUFMDQBe6MV3neyKrMWFnD22o IhjGdn4K6ve59/ze+nf42YOBAQpUhvFPyJh/+53A2+vQ+n8GClyN0Je9ZyE9Ul30 +4z8+fZT1+1Jms++Ot3M/oVx8t1zLLq8n9KvTO4YbTKjw32ISXd8mOJQOfareFMm i1xWzi8Ye5HCUGNShBTP =xavs -----END PGP SIGNATURE----- --=-FS9qQ2d9himWCmz4ow31-- --===============2759366363915283113== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK --===============2759366363915283113==--